Home / 35,258.12-52,907.88-13,086.90

Finding the Fourth Proportional to 35,258.12, 52,907.88 and 13,086.90

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Solution

The fourth proportional to 35,258.12, 52,907.88 and 13,086.90 is: 19,638.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,258.12 : 52,907.88 = 13,086.90 : x
  2. Step 2: Convert to fraction form
    35,258.12/52,907.88 = 13,086.90/x
  3. Step 3: Cross multiply
    35,258.12x = 52,907.88 × 13,086.90
  4. Step 4: Simplify right side
    35,258.12x = 692,400,183.85
  5. Step 5: Solve for x
    x = 692,400,183.85/35,258.12
  6. Step 6: Final answer
    x = 19,638.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.